Choropleth Map Generator

ReadyHow to use

Shade regions by value on a tile grid or your own GeoJSON boundaries.

VisualizationAdvancedBrowser workspace

Free to use. No account, no daily limit, and no backend processing for tool input.

Map sourcebuilt in, no data needed

Grid50 states + DC on the conventional 8×12 tile layout. Squares are equal size, so small states stay readable.

Region column

Value column

Colour rampone hue, light to dark

Class breaksequal count per class — best for skewed data

Classes

Values in tiles

Region valuesCSV

Try a sample:

Paste region values above, or load a sample.

Tip: use samples, upload, copy, download, and send-to actions inside the workspace where available.

What is Choropleth Map Generator?

Choropleth Map Generator is a free, browser-based tool that helps you produce ready-to-use output in seconds. Shade regions by value on a tile grid or your own GeoJSON boundaries. It's built for speed and privacy: Everything runs locally in your browser — your data is never uploaded to a server. No sign-up, no installs, and no daily limits.

How to use Choropleth Map Generator

1Configure the options to describe what you need.
2The output is generated instantly and updates as you tweak settings.
3Copy the generated result or download it.

Features

Live output that updates with every option
Copy or download the generated result
100% client-side — no upload, fully private
Free with no account, no watermark, and no daily limit
Works on large inputs, limited only by your device's memory
Load a sample, then copy, download, or share your result

Common uses

Building a quick chart for a report or slide
Quick one-off generator jobs without opening a heavy app
Preparing data before importing it elsewhere
Sharing a reproducible result with a teammate via a link

Used by

Data analysts
Product teams
Students
Researchers
Developers
Test-data teams

Common errors

Generated values are used as real data without review.
Options are left at defaults even though the target system expects a specific format.
Random-looking examples include sensitive real values copied from production.
Generated output is not validated before being pasted into code or configuration.

How it works

1Combines your selected options.
2Builds output directly in the browser.
3Lets you copy or download the generated result.

Recommended workflow

1
Prepare the input
Generate a sample or helper artifact, then copy it into the workflow that needs it.
2
Run Choropleth Map Generator
Review the preview, copy or download the result, and keep everything local in your browser.
3
Next recommended tool
Heatmap Generator: Turn a matrix, a long table, or a correlation into a colour-graded heatmap.
Open tool
4
Then continue with
Bubble Chart Builder: Plot three measures at once — x, y, and bubble area — with category colour.
Open tool
5
Then continue with
CSV → Charts: Render quick charts from a CSV.
Open tool

Frequently asked questions

How do I use Choropleth Map Generator?: Paste or drop your data into the workspace, adjust the options to fit your data, then copy or download the result. Shade regions by value on a tile grid or your own GeoJSON boundaries.
Is my data uploaded or stored anywhere?: No. Everything runs locally in your browser — your data is never uploaded to a server. Nothing is sent to a server, so it's safe to use with private or sensitive data.
Is Choropleth Map Generator free?: Yes — it's completely free with no account, no sign-up, no watermark, and no daily usage limits.
What's the maximum file size?: There's no hard limit imposed by the tool. Because processing happens in your browser, the practical ceiling is your device's available memory — most everyday files work instantly.
Do I need to install anything?: No installs and no extensions — it runs entirely in your web browser and even works offline once the page has loaded.

What is Choropleth Map Generator?

How to use Choropleth Map Generator

Features

Common uses

Used by

Common errors

How it works

Recommended workflow

Prepare the input

Run Choropleth Map Generator

Next recommended tool

Then continue with

Then continue with

Frequently asked questions

What is Choropleth Map Generator?

How to use Choropleth Map Generator

Features

Common uses

Used by

Common errors

How it works

Recommended workflow

Prepare the input

Run Choropleth Map Generator

Next recommended tool

Then continue with

Then continue with

Frequently asked questions